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Side-by-side financial comparison of Duolingo, Inc. (DUOL) and Portillo's Inc. (PTLO). Click either name above to swap in a different company.

Duolingo, Inc. is the larger business by last-quarter revenue ($295.5M vs $185.7M, roughly 1.6× Portillo's Inc.). Duolingo, Inc. runs the higher net margin — 11.9% vs 3.4%, a 8.5% gap on every dollar of revenue. On growth, Duolingo, Inc. posted the faster year-over-year revenue change (27.0% vs 0.6%). Duolingo, Inc. produced more free cash flow last quarter ($103.0M vs $-9.2M). Over the past eight quarters, Duolingo, Inc.'s revenue compounded faster (28.7% CAGR vs 5.8%).

Duolingo, Inc. is a leading global edtech firm operating a gamified language learning platform. It offers free and premium self-paced courses for over 40 languages, plus language certification, math learning tools, and literacy programs, serving individual learners, schools and corporate clients worldwide.

Portillo's Restaurant Group, Inc. is an American fast casual restaurant chain based in the Chicago area that specializes in serving Chicago-style food such as hot dogs, Maxwell Street Polish, and Italian beef. The company was founded by Dick Portillo on April 9, 1963, in Villa Park, Illinois, under the name "The Dog House".

DUOL vs PTLO — Head-to-Head

Bigger by revenue
DUOL
DUOL
1.6× larger
DUOL
$295.5M
$185.7M
PTLO
Growing faster (revenue YoY)
DUOL
DUOL
+26.4% gap
DUOL
27.0%
0.6%
PTLO
Higher net margin
DUOL
DUOL
8.5% more per $
DUOL
11.9%
3.4%
PTLO
More free cash flow
DUOL
DUOL
$112.2M more FCF
DUOL
$103.0M
$-9.2M
PTLO
Faster 2-yr revenue CAGR
DUOL
DUOL
Annualised
DUOL
28.7%
5.8%
PTLO

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
DUOL
DUOL
PTLO
PTLO
Revenue
$295.5M
$185.7M
Net Profit
$35.1M
$6.3M
Gross Margin
55.5%
Operating Margin
8.0%
5.6%
Net Margin
11.9%
3.4%
Revenue YoY
27.0%
0.6%
Net Profit YoY
24.0%
-49.5%
EPS (diluted)
$0.72
$0.08

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
DUOL
DUOL
PTLO
PTLO
Q1 26
$295.5M
Q4 25
$282.9M
$185.7M
Q3 25
$271.7M
$181.4M
Q2 25
$252.3M
$188.5M
Q1 25
$230.7M
$176.4M
Q4 24
$209.6M
$184.6M
Q3 24
$192.6M
$178.3M
Q2 24
$178.3M
$181.9M
Net Profit
DUOL
DUOL
PTLO
PTLO
Q1 26
$35.1M
Q4 25
$42.0M
$6.3M
Q3 25
$292.2M
$1.2M
Q2 25
$44.8M
$8.7M
Q1 25
$35.1M
$3.3M
Q4 24
$13.9M
$12.4M
Q3 24
$23.4M
$7.2M
Q2 24
$24.4M
$6.5M
Gross Margin
DUOL
DUOL
PTLO
PTLO
Q1 26
55.5%
Q4 25
72.8%
Q3 25
72.5%
Q2 25
72.4%
Q1 25
71.1%
Q4 24
71.9%
Q3 24
72.9%
Q2 24
73.4%
Operating Margin
DUOL
DUOL
PTLO
PTLO
Q1 26
8.0%
Q4 25
15.4%
5.6%
Q3 25
12.9%
3.0%
Q2 25
13.2%
9.3%
Q1 25
10.2%
5.9%
Q4 24
6.6%
7.5%
Q3 24
7.0%
9.0%
Q2 24
10.5%
10.0%
Net Margin
DUOL
DUOL
PTLO
PTLO
Q1 26
11.9%
Q4 25
14.8%
3.4%
Q3 25
107.5%
0.7%
Q2 25
17.8%
4.6%
Q1 25
15.2%
1.9%
Q4 24
6.6%
6.7%
Q3 24
12.1%
4.1%
Q2 24
13.7%
3.6%
EPS (diluted)
DUOL
DUOL
PTLO
PTLO
Q1 26
$0.72
Q4 25
$0.99
$0.08
Q3 25
$5.95
$0.02
Q2 25
$0.91
$0.12
Q1 25
$0.72
$0.05
Q4 24
$0.31
$0.17
Q3 24
$0.49
$0.11
Q2 24
$0.51
$0.10

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
DUOL
DUOL
PTLO
PTLO
Cash + ST InvestmentsLiquidity on hand
$1.1B
Total DebtLower is stronger
$334.2M
Stockholders' EquityBook value
$1.3B
$467.8M
Total Assets
$2.0B
$1.6B
Debt / EquityLower = less leverage
0.71×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DUOL
DUOL
PTLO
PTLO
Q1 26
$1.1B
Q4 25
$1.0B
Q3 25
$1.0B
Q2 25
$976.2M
Q1 25
$884.0M
Q4 24
$785.8M
Q3 24
$854.4M
Q2 24
$888.2M
Total Debt
DUOL
DUOL
PTLO
PTLO
Q1 26
Q4 25
$334.2M
Q3 25
$322.6M
Q2 25
$317.0M
Q1 25
$319.8M
Q4 24
$311.7M
Q3 24
$302.2M
Q2 24
$305.1M
Stockholders' Equity
DUOL
DUOL
PTLO
PTLO
Q1 26
$1.3B
Q4 25
$1.3B
$467.8M
Q3 25
$1.3B
$459.4M
Q2 25
$977.0M
$458.9M
Q1 25
$893.8M
$406.9M
Q4 24
$824.5M
$401.1M
Q3 24
$822.5M
$382.4M
Q2 24
$766.9M
$370.2M
Total Assets
DUOL
DUOL
PTLO
PTLO
Q1 26
$2.0B
Q4 25
$2.0B
$1.6B
Q3 25
$1.9B
$1.6B
Q2 25
$1.5B
$1.6B
Q1 25
$1.4B
$1.5B
Q4 24
$1.3B
$1.5B
Q3 24
$1.2B
$1.5B
Q2 24
$1.1B
$1.4B
Debt / Equity
DUOL
DUOL
PTLO
PTLO
Q1 26
Q4 25
0.71×
Q3 25
0.70×
Q2 25
0.69×
Q1 25
0.79×
Q4 24
0.78×
Q3 24
0.79×
Q2 24
0.82×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
DUOL
DUOL
PTLO
PTLO
Operating Cash FlowLast quarter
$105.6M
$23.2M
Free Cash FlowOCF − Capex
$103.0M
$-9.2M
FCF MarginFCF / Revenue
34.9%
-4.9%
Capex IntensityCapex / Revenue
17.4%
Cash ConversionOCF / Net Profit
3.01×
3.69×
TTM Free Cash FlowTrailing 4 quarters
$368.4M
$-18.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DUOL
DUOL
PTLO
PTLO
Q1 26
$105.6M
Q4 25
$107.3M
$23.2M
Q3 25
$84.2M
$20.0M
Q2 25
$90.7M
$19.2M
Q1 25
$105.6M
$9.4M
Q4 24
$83.3M
$26.1M
Q3 24
$56.3M
$30.3M
Q2 24
$62.4M
$32.6M
Free Cash Flow
DUOL
DUOL
PTLO
PTLO
Q1 26
$103.0M
Q4 25
$96.6M
$-9.2M
Q3 25
$79.4M
$-5.0M
Q2 25
$89.5M
$5.2M
Q1 25
$104.3M
$-9.6M
Q4 24
$81.4M
$-5.6M
Q3 24
$53.1M
$7.7M
Q2 24
$56.8M
$15.6M
FCF Margin
DUOL
DUOL
PTLO
PTLO
Q1 26
34.9%
Q4 25
34.1%
-4.9%
Q3 25
29.2%
-2.7%
Q2 25
35.5%
2.8%
Q1 25
45.2%
-5.4%
Q4 24
38.8%
-3.0%
Q3 24
27.6%
4.3%
Q2 24
31.9%
8.6%
Capex Intensity
DUOL
DUOL
PTLO
PTLO
Q1 26
Q4 25
3.8%
17.4%
Q3 25
1.8%
13.8%
Q2 25
0.5%
7.5%
Q1 25
0.6%
10.8%
Q4 24
0.9%
17.2%
Q3 24
1.7%
12.7%
Q2 24
3.1%
9.3%
Cash Conversion
DUOL
DUOL
PTLO
PTLO
Q1 26
3.01×
Q4 25
2.56×
3.69×
Q3 25
0.29×
16.51×
Q2 25
2.02×
2.21×
Q1 25
3.01×
2.85×
Q4 24
5.99×
2.10×
Q3 24
2.41×
4.20×
Q2 24
2.56×
5.03×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

DUOL
DUOL

Bookings$283.5M96%
Other$12.0M4%

PTLO
PTLO

Segment breakdown not available.

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